Research Papers


The added value of new covariates to the Brier score in Cox survival models (2021)

Concordance probability as a meaningful contrast across disparate survival times (2021)

Measuring the temporal prognostic utility of a baseline risk score 2020 (2020)

Circulating Tumor Cell Number as an Early Response Endpoint for Metastatic Prostate Cancer (2019)

Circulating Tumor Cell Number as a Response Measure of Prolonged Survival for Metastatic Castration-Resistant Prostate Cancer A Comparison With PSA Across Five Randomized Phase 3 Clinical Trials (2018)

The Added Value of Circulating Tumor Cell Enumeration to Standard Markers in Assessing Prognosis in a Metastatic Castration-Resistant Prostate Cancer Population (2017)

Inference For The Difference In The Area Under The ROC Curve Derived From Nested Binary Regression Models (2017)

An Initial Evaluation of a Surrogate Endpoint Using a Single Randomized Clinical Trial and the Prentice Criteria 2015 (2015)

Calculating the Concordance Probability Estimate with a Discrete Number of Risk Groups (2013)

A measure of explained risk in the proportional hazards model (2012)

Proportional hazards regression with interval censored data using an inverse probability weight (2011)

Lehmann Family of ROC Curves (2010)

Smoothed Rank Regression with Censored Data (2007)

Inference on the limiting false discovery rate and the p-value threshold parameter assuming weak dependence between gene expression levels within subject (2007)

Power Calculations for Preclinical Studies Using a K-Sample Rank Test and the Lehmann (2006)Alternative Hypothesis (2006)

Concordance Probability and Discriminatory Power in Proportional Hazards Regression (2005)

Incorporating Follow-up Time In M-Estimation For Survival Data (2004)

A Nonparametric Test to Compare Survival Distributions with Covariate Adjustment (2004)

A Competing-Risks Nomogram for Sarcoma-Specific Death Following Local Recurrence (2003)

Pairwise rank based likelihood for estimating the relationship between two homogeneous populations and their mixture proportion (2001)